In reality, of course, MS Office has 90% of the market and is a monopoly in all but name.

I know... crazy, right? And then the whole Document and Pie Chart Creation industries came crashing down around people's ears shortly after they achieved that saturation point; remember? Millions of Tend-line plotters and Inter-Office memo specialists lost their jobs because of that de facto monopoly. We're just now crawling out of those dark ages.